河南成教 / 英语(二)
正确率:100%
2、
A. would have prevented
B. should prevent
C. could prevent
D. must have prevented
All that has happened is heart-breaking. In fact, a little more carefulness _ _ _ _ _ this tragic event.
A. would have prevented
B. should prevent
C. could prevent
D. must have prevented
参考答案:
佳题速递: